docs: def get_storage(self, id_or_uri):
          """
          Get storage details of an OS Volume.
  
          Args:
              id_or_uri: ID or URI of the OS Volume.
  
          Returns:
              dict: Storage details
          """
          uri = self.URI + "/{}/storage".format(extract_id_from_uri(id_or_uri))
          return self._client.get(uri)